Re: [RFC v1 13/26] x86/tdx: Handle MWAIT, MONITOR and WBINVD

[Kuppuswamy, Sathyanarayanan]

Hi Andy,

On 2/5/21 3:43 PM, Andy Lutomirski wrote:
> MWAIT turning into NOP is no good.  How about suppressing
> X86_FEATURE_MWAIT instead?
Yes, we can suppress it in tdx_early_init().

 + setup_clear_cpu_cap(X86_FEATURE_MWAIT);

But do you want to leave the MWAIT #VE handler as it as
(just in case)?


--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer